TEXTBOOK QUESTIONS 4 of 5
A series circuit contains the following values of resistors:
R1 = 510 ohms
R2 = 680 ohms
R3 = 390 ohms
R4 = 750 ohms
Assume a source voltage of 48 V. Use the general voltage divider formula to calculate the voltage drop across each resistor. The formula and an example
E1 =
V
E2 =
V
E3
E4 =
V

An electric kettle is made out of stainless steel, weighs two pounds (when empty) and is equipped with a heating element that consumes 2 kw of electricity. assuming that the water and the kettle are at the same uniform temperature at any moment of time, calculate the shortest possible time to bring 2 quarts of water from room temperature to the onset of boiling